# Latest

**URL:** https://discourse.nodered.org/latest.md?page=1022

[Latest](https://discourse.nodered.org/latest.md) · [Categories](https://discourse.nodered.org/categories.md) · [Tags](https://discourse.nodered.org/tags.md)

**Page:** 1023

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## [MQTT topic help please Wild card use](https://discourse.nodered.org/t/mqtt-topic-help-please-wild-card-use/31366)

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**Author:** [@Trying\_to\_learn](https://discourse.nodered.org/u/Trying_to_learn)\
**Replies:** 17\
**Last updated:** [11 August 2020 01:45 UTC](https://discourse.nodered.org/t/mqtt-topic-help-please-wild-card-use/31366 "2020-08-11T01:45:58Z")

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With another project in which some one pointed out a problem with how I was controlling tasmota devices. I have 2 bulbs. They are called (from MQTT) BULB-1 and BULB-2 Which kind of made sense for me, but it is flawed…

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## [Separate Network: ESP32 communication Node Red](https://discourse.nodered.org/t/separate-network-esp32-communication-node-red/29232)

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**Author:** [@ColinKr](https://discourse.nodered.org/u/ColinKr)\
**Replies:** 40\
**Last updated:** [11 August 2020 01:35 UTC](https://discourse.nodered.org/t/separate-network-esp32-communication-node-red/29232 "2020-08-11T01:35:12Z")

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Hi All, I'm very new to Node Red but already love the capabilities of it! Currently, I'm working on a project where I would like to send/receive data from an ESP32 to Node-Red. The idea is that the ESP32 will be conne…

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## [C in properties view of a node?](https://discourse.nodered.org/t/c-in-properties-view-of-a-node/31296)

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**Author:** [@Nodi.Rubrum](https://discourse.nodered.org/u/Nodi.Rubrum)\
**Replies:** 4\
**Last updated:** [11 August 2020 01:15 UTC](https://discourse.nodered.org/t/c-in-properties-view-of-a-node/31296 "2020-08-11T01:15:50Z")

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Is there something I am doing wrong when using checkboxes in properties view of a node? When I check or uncheck the box, I get this rectangle artifact? Below is the HTML fragment for the check box... \<div cl…

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## [Accessing website with JS password](https://discourse.nodered.org/t/accessing-website-with-js-password/31400)

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**Author:** [@Vartkat](https://discourse.nodered.org/u/Vartkat)\
**Replies:** 3\
**Last updated:** [11 August 2020 00:19 UTC](https://discourse.nodered.org/t/accessing-website-with-js-password/31400 "2020-08-11T00:19:07Z")

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Hello, I've got a device at home which is password protected. I saw the HTTP request node but none of the attempt I did succeeded. The device has a login page, quite simple, a field where a code has to be typed and …

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## [Seperate Dashboard pages](https://discourse.nodered.org/t/seperate-dashboard-pages/31410)

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**Author:** [@DrdP](https://discourse.nodered.org/u/DrdP)\
**Replies:** 2\
**Last updated:** [10 August 2020 21:27 UTC](https://discourse.nodered.org/t/seperate-dashboard-pages/31410 "2020-08-10T21:27:13Z")

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Good day all I would like to get only the bit with the info loaded. I am successfully passing the dashboard to my website in an iframe. the iframe shows the entire page. Is there a way of having different flows on diffe…

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## [Calling a server API in custom node's js](https://discourse.nodered.org/t/calling-a-server-api-in-custom-nodes-js/31204)

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**Author:** [@Pavithra\_nayak](https://discourse.nodered.org/u/Pavithra_nayak)\
**Replies:** 1\
**Last updated:** [10 August 2020 21:25 UTC](https://discourse.nodered.org/t/calling-a-server-api-in-custom-nodes-js/31204 "2020-08-10T21:25:04Z")

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Hi, I need to call a server API to POST some data in custom node's js file. I am trying to use "node-fetch" , but it always gives me " Cannot find module 'node-fetch'" I have installed the module. Module is available u…

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## [Uibuilder global.get/set](https://discourse.nodered.org/t/uibuilder-global-get-set/31372)

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**Author:** [@aqb1705](https://discourse.nodered.org/u/aqb1705)\
**Replies:** 18\
**Last updated:** [10 August 2020 19:03 UTC](https://discourse.nodered.org/t/uibuilder-global-get-set/31372 "2020-08-10T19:03:49Z")

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Hello everyone, I'm new to this form and to the world of node-red. I have minor knowledge of node.js and javascript in general, but I like to learn by doing. I wanted to ask about accessing global node-red variables i…

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## [Customize NodeRed Web UI](https://discourse.nodered.org/t/customize-nodered-web-ui/31408)

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**Author:** [@shr3y1s](https://discourse.nodered.org/u/shr3y1s)\
**Replies:** 0\
**Last updated:** [10 August 2020 18:29 UTC](https://discourse.nodered.org/t/customize-nodered-web-ui/31408 "2020-08-10T18:29:47Z")

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I wanted to know how big of task is too customize the Node-RED web UI. I have already gone through Editor Themes and Runtime configuration ways that Node-RED provides for cosmetic customization. https://nodered.org/docs…

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## [Any advice ? OLED Node SPI issue](https://discourse.nodered.org/t/any-advice-oled-node-spi-issue/30943)

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**Author:** [@Peter](https://discourse.nodered.org/u/Peter)\
**Replies:** 6\
**Last updated:** [10 August 2020 14:27 UTC](https://discourse.nodered.org/t/any-advice-oled-node-spi-issue/30943 "2020-08-10T14:27:28Z")

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HI Guys, Quick Question, why does OLED node only work with I2C and Not SPI ? I have a Raspi zero OLED HAT ( 128x32) ( https://www.waveshare.com/product/displays/lcd-oled/lcd-oled-3/2.23inch-oled-hat.htm ) I got it to …

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## [Msg.status.text (object) to csv (via payload?)](https://discourse.nodered.org/t/msg-status-text-object-to-csv-via-payload/31376)

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**Author:** [@ArneR](https://discourse.nodered.org/u/ArneR)\
**Replies:** 8\
**Last updated:** [10 August 2020 13:16 UTC](https://discourse.nodered.org/t/msg-status-text-object-to-csv-via-payload/31376 "2020-08-10T13:16:04Z")

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Dear I am a beginner as far as Node-Red is concerned. Currently I have a msg.object, from which I would like to get the text (msg.status.text). The photo shows the text as "offline" in this case. The text is variabl…

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## [Need to write one function that will return 3 values](https://discourse.nodered.org/t/need-to-write-one-function-that-will-return-3-values/30931)

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**Author:** [@V\_M](https://discourse.nodered.org/u/V_M)\
**Replies:** 41\
**Last updated:** [10 August 2020 11:30 UTC](https://discourse.nodered.org/t/need-to-write-one-function-that-will-return-3-values/30931 "2020-08-10T11:30:41Z")

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Hello, I want to display 3 values on the dashboard (AMP, KW, PF ) i have added 3 functions for the same. I have published data in inject node in JSON Format, can someone please help me on this?

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## [Potential uses of Nodered](https://discourse.nodered.org/t/potential-uses-of-nodered/31363)

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**Author:** [@yknr](https://discourse.nodered.org/u/yknr)\
**Replies:** 3\
**Last updated:** [10 August 2020 11:05 UTC](https://discourse.nodered.org/t/potential-uses-of-nodered/31363 "2020-08-10T11:05:50Z")

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I am sure the question of the purpose of nodered has been asked in the forum. Just to get some ideas what are some potential uses of Nodered? Are there examples of nodered being embedded in a java application?

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## [Question on global context & function behaviour](https://discourse.nodered.org/t/question-on-global-context-function-behaviour/31383)

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**Author:** [@duaw](https://discourse.nodered.org/u/duaw)\
**Replies:** 2\
**Last updated:** [10 August 2020 10:41 UTC](https://discourse.nodered.org/t/question-on-global-context-function-behaviour/31383 "2020-08-10T10:41:56Z")

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Hi, I have a problem using context. Consider this flow: \[{"id":"c966d72c.b3b428","type":"function","z":"d4de0d13.1abea8","name":"get global dummy","func":"var dummy = global.get(\\"dummy\\")||10;\\nmsg.payload = dummy;\\nr…

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## [Authenticate against LDAP in Node Red](https://discourse.nodered.org/t/authenticate-against-ldap-in-node-red/12201)

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**Author:** [@RobP](https://discourse.nodered.org/u/RobP)\
**Replies:** 19\
**Last updated:** [10 August 2020 10:28 UTC](https://discourse.nodered.org/t/authenticate-against-ldap-in-node-red/12201 "2020-08-10T10:28:59Z")

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In my application flow, I want to authenticate a user in an on-premise LDAP. I have tried several contrib-nodes and passport and can't get it to work. I have been able to successfully authenticate using node-red-contri…

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## [Modbus node not working](https://discourse.nodered.org/t/modbus-node-not-working/31299)

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**Author:** [@Cheese](https://discourse.nodered.org/u/Cheese)\
**Replies:** 2\
**Last updated:** [10 August 2020 10:19 UTC](https://discourse.nodered.org/t/modbus-node-not-working/31299 "2020-08-10T10:19:41Z")

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Hi all, I have a flow trying to get some Modbus readings. I have 2 modbus devices, one of which seems to work fine. The other one is intermittent and fails most of the time. Can anyone tell me what this error message me…

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## [Display two payloads in one Text](https://discourse.nodered.org/t/display-two-payloads-in-one-text/31208)

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**Author:** [@zimb86](https://discourse.nodered.org/u/zimb86)\
**Replies:** 9\
**Last updated:** [10 August 2020 07:24 UTC](https://discourse.nodered.org/t/display-two-payloads-in-one-text/31208 "2020-08-10T07:24:04Z")

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Hi, i´m completely new to node-red and this may be a stupid question but I cant get it work: Got 2 values from a CCU node: Temperature and Humidity I want to display these two values in one line Text on the Dashboard …

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## [Flows stopped due to missing node types - spontaneously](https://discourse.nodered.org/t/flows-stopped-due-to-missing-node-types-spontaneously/31365)

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**Author:** [@bakman2](https://discourse.nodered.org/u/bakman2)\
**Replies:** 0\
**Last updated:** [10 August 2020 06:55 UTC](https://discourse.nodered.org/t/flows-stopped-due-to-missing-node-types-spontaneously/31365 "2020-08-10T06:55:12Z")

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While working on some flows, deploying, editing, deploying etc. When I deploy sometimes, I get "no response from server" - where node-red restarts and this popup suddenly shows up: "Flows stopped due to missing node typ…

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## [Help with integrating CSS progress bars](https://discourse.nodered.org/t/help-with-integrating-css-progress-bars/31030)

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**Author:** [@RASelkirk](https://discourse.nodered.org/u/RASelkirk)\
**Replies:** 7\
**Last updated:** [10 August 2020 05:19 UTC](https://discourse.nodered.org/t/help-with-integrating-css-progress-bars/31030 "2020-08-10T05:19:49Z")

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I couldn't find any progress bars, but did find some really neat animated HTML/CSS progress bars, can they be added to N-R Dashboard? How would one get started? Also, I see no method of starting/stopping these animation…

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## [Interface Question](https://discourse.nodered.org/t/interface-question/31059)

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**Author:** [@RASelkirk](https://discourse.nodered.org/u/RASelkirk)\
**Replies:** 5\
**Last updated:** [10 August 2020 05:09 UTC](https://discourse.nodered.org/t/interface-question/31059 "2020-08-10T05:09:59Z")

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Another noob question, under "Edit node" there are: properties | description | appearance buttons. What is the purpose of description? Simply to keep notes or does it become something that's actually processed? Couldn't …

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## [Help For New User](https://discourse.nodered.org/t/help-for-new-user/31148)

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**Author:** [@DaveC](https://discourse.nodered.org/u/DaveC)\
**Replies:** 7\
**Last updated:** [10 August 2020 04:30 UTC](https://discourse.nodered.org/t/help-for-new-user/31148 "2020-08-10T04:30:28Z")

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I am just starting to use MQTT and Node Red as an introduction to IOT and Home Automation, and having some basic issues. Background is as an initial experiment I have a BMP280 connected to a Tasmota device (Wemos D1 Min…

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## [Anyone know of module for SHT3X sensor?](https://discourse.nodered.org/t/anyone-know-of-module-for-sht3x-sensor/28640)

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**Author:** [@Nodi.Rubrum](https://discourse.nodered.org/u/Nodi.Rubrum)\
**Replies:** 33\
**Last updated:** [10 August 2020 00:38 UTC](https://discourse.nodered.org/t/anyone-know-of-module-for-sht3x-sensor/28640 "2020-08-10T00:38:10Z")

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Anyone know of module for SHT3X sensor? There seems to be quite a few modules for BMP280 and BME280, but have yet to find any for the SHT3X?

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## [Atlas Scientific I2C probe reading](https://discourse.nodered.org/t/atlas-scientific-i2c-probe-reading/31349)

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**Author:** [@Sebchauvour](https://discourse.nodered.org/u/Sebchauvour)\
**Replies:** 0\
**Last updated:** [9 August 2020 22:18 UTC](https://discourse.nodered.org/t/atlas-scientific-i2c-probe-reading/31349 "2020-08-09T22:18:12Z")

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Bonjour Hello J’ai un probleme de lecture des sondes Atlas scientificI Have a problem reading the Atlas scientific probes Les sondes sont bien configurées en I2C The probes are well configured in I2C Scan I2C = 99(PH)…

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## [This is a node question, not NR, how do you do a local script blocking wait, but not block the node event loop?](https://discourse.nodered.org/t/this-is-a-node-question-not-nr-how-do-you-do-a-local-script-blocking-wait-but-not-block-the-node-event-loop/31318)

<div class="topic-metadata">

**Author:** [@Nodi.Rubrum](https://discourse.nodered.org/u/Nodi.Rubrum)\
**Replies:** 14\
**Last updated:** [9 August 2020 19:27 UTC](https://discourse.nodered.org/t/this-is-a-node-question-not-nr-how-do-you-do-a-local-script-blocking-wait-but-not-block-the-node-event-loop/31318 "2020-08-09T19:27:59Z")

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Figure everyone in this forum is very 'node' savvy, so that is why I am asking here. I am trying to drive a MAX7219 controlled display. Writing an updated node library for it. I have it done but for one basic problem.…

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## [Feature Request - add (optional) z to Node position](https://discourse.nodered.org/t/feature-request-add-optional-z-to-node-position/31265)

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**Author:** [@PJMcL](https://discourse.nodered.org/u/PJMcL)\
**Replies:** 4\
**Last updated:** [9 August 2020 16:39 UTC](https://discourse.nodered.org/t/feature-request-add-optional-z-to-node-position/31265 "2020-08-09T16:39:57Z")

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I wonder.. if we wanted to have all Nodes support a z property (if not present then 0).. would that be a VeRy Real possibility to have available? It might help with.. Alternatives ways of looking at the Flows. For fol…

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## [Incoming UDP Define Port](https://discourse.nodered.org/t/incoming-udp-define-port/31274)

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**Author:** [@mikewoodld](https://discourse.nodered.org/u/mikewoodld)\
**Replies:** 1\
**Last updated:** [9 August 2020 16:16 UTC](https://discourse.nodered.org/t/incoming-udp-define-port/31274 "2020-08-09T16:16:33Z")

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Am I correct in that there is no way to dynamically change the incoming UDP port using the default UDP node? I know you can set the outgoing using msg.ip and msg.port - sucks that there seems to be no way to set the…

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## [Restore scroll & caret position in Ace editor](https://discourse.nodered.org/t/restore-scroll-caret-position-in-ace-editor/31307)

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**Author:** [@alexk111](https://discourse.nodered.org/u/alexk111)\
**Replies:** 1\
**Last updated:** [9 August 2020 16:09 UTC](https://discourse.nodered.org/t/restore-scroll-caret-position-in-ace-editor/31307 "2020-08-09T16:09:39Z")

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Currently when editing / testing some part of a multi-line html/js code in template and function nodes, you have to always scroll back and seek the last changed line on each edit-save-test-edit iteration. Having the scro…

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## [\[Announce\] New NR type definitions & more for TypeScript developers](https://discourse.nodered.org/t/announce-new-nr-type-definitions-more-for-typescript-developers/31304)

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**Author:** [@alexk111](https://discourse.nodered.org/u/alexk111)\
**Replies:** 1\
**Last updated:** [9 August 2020 16:04 UTC](https://discourse.nodered.org/t/announce-new-nr-type-definitions-more-for-typescript-developers/31304 "2020-08-09T16:04:03Z")

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The new version of Node-RED type definitions is about to be released (waiting for approval from a DT maintainer). It covers all the node-red and @node-red/... dep modules, enabling to develop new nodes and integrate with…

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## [Can not send data to table MariaDB, please help](https://discourse.nodered.org/t/can-not-send-data-to-table-mariadb-please-help/31324)

<div class="topic-metadata">

**Author:** [@WesleyFranken](https://discourse.nodered.org/u/WesleyFranken)\
**Replies:** 22\
**Last updated:** [9 August 2020 15:55 UTC](https://discourse.nodered.org/t/can-not-send-data-to-table-mariadb-please-help/31324 "2020-08-09T15:55:42Z")

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I try to make sense how to connect with a MariaDB. I use the following node: I do have connection with my database. I've created the table in the database. My function node to inject data in database node: clien…

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## [Control of an "internet relay board" bit of help](https://discourse.nodered.org/t/control-of-an-internet-relay-board-bit-of-help/729)

<div class="topic-metadata">

**Author:** [@Trying\_to\_learn](https://discourse.nodered.org/u/Trying_to_learn)\
**Replies:** 6\
**Last updated:** [9 August 2020 15:48 UTC](https://discourse.nodered.org/t/control-of-an-internet-relay-board-bit-of-help/729 "2020-08-09T15:48:55Z")

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Folks, I have already got it working, but need a bit of help with the mechanics of what is going on. A long time ago I bought a board that connects to the internet and has two relays on it. They can be controlled from …

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## [\[solved\] Extracting value from String after http request](https://discourse.nodered.org/t/solved-extracting-value-from-string-after-http-request/31345)

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**Author:** [@Tomas](https://discourse.nodered.org/u/Tomas)\
**Replies:** 2\
**Last updated:** [9 August 2020 15:23 UTC](https://discourse.nodered.org/t/solved-extracting-value-from-string-after-http-request/31345 "2020-08-09T15:23:17Z")

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Hi, I am new with node red and now I love it. I have already connected my Fronius and Volkszähler with node-red-contrib-fronius-solar and node-red-contrib-volkszaehler withe no problems. Now I want to connect our heat…

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